Gemstones play an important role in Vedic Astrology specifically for remedial purposes. They are storehouses of cosmic energies, which transmits when the stone gets in contact with one's body. Gems exhibit their power in a beneficial or detrimental way - depending on how they are used.
All stones or gems have magnetic powers in varying degrees, and many of them are beneficial to us for their therapeutic cures. They emit vibrations and frequencies which have a strong potential influence on our whole being.
Here's what your Gemstone prediction looks like.